Link capabilities, Msi and msi-x capabilities – Altera Arria V Avalon-MM User Manual
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Parameter
Value
Default Value
Description
ECRC
checking
On/Off
Off
When On, enables ECRC checking. Sets the read-only
value of the ECRC check capable bit in the
Advanced
Error Capabilities and Control Register
. This
parameter requires you to enable the AER capability.
ECRC
generation
On/Off
Off
When On, enables ECRC generation capability. Sets the
read-only value of the ECRC generation capable bit in
the
Advanced Error Capabilities and Control
Register
. This parameter requires you to enable the
AER capability.
Not applicable for Avalon-MM DMA.
Link Capabilities
Table 3-6: Link Capabilities
Parameter
Value
Description
Link port
number
0x01
Sets the read-only value of the port number field in the
Link
Capabilities Register
.
Slot clock
configuration
On/Off
When On, indicates that the Endpoint or Root Port uses the
same physical reference clock that the system provides on the
connector. When Off, the IP core uses an independent clock
regardless of the presence of a reference clock on the
connector.
MSI and MSI-X Capabilities
Table 3-7: MSI and MSI-X Capabilities
Parameter
Value
Description
MSI messages
requested
1, 2, 4, 8, 16
Specifies the number of messages the Application Layer can
request. Sets the value of the
Multiple Message Capable
field of the
Message Control
register, 0x050[31:16].
MSI-X Capabilities
Implement MSI-X
On/Off
When On, enables the MSI-X functionality.
Bit Range
3-6
Link Capabilities
UG-01105_avmm
2014.12.15
Altera Corporation
Parameter Settings